The Citroën C6 and the current generation C5 with hydropneumatic suspension senses the bump with the front wheels and sets up the rear suspension to absorb the

The Citroën C6 and the current generation C5 with hydropneumatic suspension senses the bump with the front wheels and sets up the rear suspension to absorb the bump almost completely. Slightly more low-tech, but it works amazingly well in practice.